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(No Model.)

I. G. HOWELL.

HORSE-SHOE.

Patented Apr. 10, 1888.

INVENTOR:

ATTORNEYS.

N. PETERS. Phat rapber. Wasnmglon, n.c

PATENT Orrrce.

ISRAEL G. HOW'ELL, OF HOPEVVELL, NEW JERSEY.

HORSESHOE.

srner'rrcarrow forming part of Letters Patent No. 380,800, dated April 10, 1888. Application filed August .16, 1887. Serial No. 247,943. (No model.)

To all whom, it may concern.-

Be it known that I, ISRAEL G. HOWELL, of Hopewell, in the county ofMercer and State of New Jersey, have invented a new and Improved Horseshoe, of which the following is a full, clear, and exact description.

The object of the present invention is to combine in a horseshoe all the features, ad vantages, and capabilities of both a smooth or flat call; shoe and a sharp-call: shoe; and the invention consists in the peculiar construction and arrangement of parts, as hereinafter fully described, and pointed out in the claim.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in both the views.

Figure 1. is a side view of the hoof of a horse having applied thereto a shoe made in accordance with the present invention, and Fig. 2 is a View in perspectiveillustrating the shoe as with the supplemental part detached from the main shoe.

In the drawings, A represents a horseshoe, which is composed of the shoe proper, B, and the supplemental or over shoe G, which latter is arranged to be attached to and detached from the former, as will be hereinafter described. The shoe proper or main shoe B is provided with the usual nailholes, a a a a, and the grooves b 1), within which the nailheads are disposed, and it is also provided with a toe-calk, D, and heel-calks E E, each of which on its outer surface is flat or blunt and smooth, and otherwise all as usual in smooth-calk shoes, except that in accordance with this invention the flat toe'calk D is of itself in the shape of a wedge or keystone-that is, wider at its forward end, d, than at its rear end, f--and it is provided with receding or dovetailed edges 9,: and said shoe B has continuous flat surfaces h it between the toe-call: and the heelcalks.

The supplemental shoe G is of a contour corresponding with the main shoe, and has on its inner side flat surfacesjj, corresponding with the flat surfacesh h of the main shoe; and it also has recesses*one, 7t, in its forward end, and one, Z, at each of its rear ends which recesses 76 Z Z correspond in extent and shape with the wedgeshaped and dovetailed toe-calk D and with the heel-calks E E, re spectively, of the main shoe.

The supplemental shoe is provided with sharp or pointed calks G, which may be of any of the well-known forms, and may be ar ranged on the shoe 0, as shown, or their arrangement may be varied as desired; and this supplemental shoe is adapted to be secured to the main shoe-when placed thereon with its recesses kl Z over the calks D E E and its flat surfaces j j resting upon the flat surfaces h h of said main shoeby serewsm, which enter in and through suitable serew-holes, a a, in the thicknesses ofboth shoes B O. A greater or less number of the screws m may be employed for securing the outer to the in= ner shoe; but two screws are sufficient when arranged near the rear ends of the shoe, as shown, it being understood that the outer shoe, 0, is securely held at its toe portion by the engagement of the inclined walls of its recess with the dovetailed calk D of the inner part, B; and by making said toecalk D of a wedge or keystone shape, with its wider part foremost, and the outer shoe with a recess of corresponding shape, the impact of the shoe upon the ground in the forward movement of the foot serves to draw or bind the supplemental shoe more closely upon and in engage ment with the main shoe.

The sharp calks G, with which the shoe 0 is provided, may. be filed or sharpened from time to time, and to a greater or less degree, as desired.

Under the present invention the parts form ing the duplex shoe may be arranged with the flat or smooth calked part outermost, the sharp calks being placed upon the main part, which is secured to the hoof.

It is not deemed necessary to set forth all the advantages to be derived from the use of a horseshoesuch as described, as they will readily suggest themselves to all having knowledge of the subject of shoeing horses; but it will be particularly plain that, when desired, a shoe having one or the other forms of calks may be presented quickly and readily,

without the necessity of withdrawing the nails from the hoof and renailing, thereby injuring the foot; that the changing may be performed by unskilled persons, and that the shoeing of ICC) the horse may be such at all times as the best I which recesses of the supplementary shoe is to adapt it to the existing conditions of the of a corresponding shape with the toe-calk of roads. the main shoe, while the other recesses of l 5 Having thus fully described my invention, said supplementary shoe are step-shaped and 5 I claim as new and desire to secure by Letters located at the heel ends of the same, said shoes Patentbeing connected together, substantially as The horseshoe consisting of the main shoe shown and described, and for the purpose set having the fiat solid toe and heel calks, the forth.

toe-ealk being broader at the front than atits ISRAEL G. HOWELL. [O rear and of the supplementary removable Witnesses:

shoe having sharpened calks upon its under F. F. HOLOOMBE,

side and recesses in its upper side, one of] JNO. S. VAN DIKE. A 

